Hydraulic Elevators Type DDZH is a center latch elevator.Through changing the bushing,it can handle drill pipes,drill collars,casing and tubing.By using the hydraulic-controlled system,it can make the operation more convenient,reduce the worker`s labor intensity effectively and improve work efficiency.It can also realize remote controlling and make the using safer and more reliable.The products shall be designed and manufactured according to API 8A/8C Specification for drilling and production hoisting equipment.
Rated Capacity (short tons) |
Tubular & Size（in） |
|||
Drill Pipe |
Drill Collar |
Casing |
Tubing |
|
250 |
2.7/8-5.1/4 |
3.1/2-5.1/4 |
3.1/2-5 |
2.3/8-4.1/2 |
350 |
2.7/8-6.5/8 |
3.1/2-6.3/4 |
3.1/2-7 |
2.3/8-4.1/2 |